Using procrank to measure memory usage on embedded Linux

One of the fundamental questions programmers ask (or at least, they should) is: how much memory is my program using? It may be a simple question, but with a virtual memory operating system like Linux the answer is quite complex. The numbers given by top and ps don't really add up. Procrank is a tool commonly used by Android platform developers to give more accurate answers, but there is no reason why it can't be more widely used in other Linux based operating systems and it is especially useful for embedded Linux.

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